The largest measles outbreak in decades has reached San Antonio and San Marcos. Officials say an individual who tested ...

Over the past month, the virus has spread in areas with low vaccination rates, and most of those affected are minors.

The measles outbreak in rural West Texas has grown to 90 cases across seven counties, the state health department posted online Friday, and 16 people are hospitalized.

In the landscape of public health, few stories are as compelling as the unexpected return of a disease we once thought was ...